Who knew 17 years could go so fast? By the time it takes to send a kid to college, I’ve been toiling, mostly joyfully, at the Chronicle and SFGate.com. I am headed to KNBR 680-AM, where I will also be making radio appearances and occasionally filling in as a co-host and continuing as part of …

Matthews’ relatively modest $15,000 fine is probably a nod to his clean play during his four-year career. Matthews has only been fined twice, according to the Milwaukee Journal-Sentinel. In 2010, he was fined for a uniform violation ($5,000) and a facemask penalty ($5,000). …

Lynch, 5-foot-11 and 215 pounds, is one of the NFL’s more capable tackle-breaking machines. Last year, he broke free from 63 tackles, ranking fourth in the NFL, according to Pro Football Focus, and continued his brilliance against the 49ers. …

Niners practice-squad safety Michael Thomas, who has been with Harbaugh for five of the past six years at Stanford and San Francisco, knows the head coach better than most in the locker room. So Thomas was posed the question: Do you believe Harbaugh laid on his horn? …